Obs. : 2010-02-23
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.960e+11
Venus      3.954e+11
Earth      3.680e+11
Mars       3.687e+11
Jupiter    3.954e+11
Saturn     3.681e+11
Uranus     3.893e+11
Neptune    3.960e+11
Pluto      3.733e+11